Quantum DXi4500, Руководство пользователя

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Chapter 6: DXi4500 Status
System
Quantum DXi4500 User’s Guide 121
Figure 47 Disk Usage Page
The Disk Usage page provides the following information for the system:
• Available (System Capacity)
• Used (System Capacity)
• Data Reduction
Available (System Capacity)
Available space is the area that is available for data storage. The
Available value is displayed as an amount and as a percentage of the
total capacity in the system.
Available space is divided into the following categories:
Note: The value for each category is displayed as an amount and as a
percentage of the total capacity in the system.
•
Free Space
- This area is available for data storage.
•
Cached data eligible for truncation
- After data is
deduplicated, the native format is cached to allow for higher
performance should you need to read the data back. When
necessary, the system will automatically begin to delete some of
this cached data in order to increase free space. The process of